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TMP431CDGKR
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TMP431CDGKR

Product Overview

Category: Voltage Regulator
Use: Power management
Characteristics: High efficiency, low dropout voltage
Package: 8-pin VSSOP
Essence: Regulates voltage for electronic devices
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.2V to 3.6V
  • Maximum Output Current: 300mA
  • Dropout Voltage: 150mV at 300mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input voltage)
  2. GND (Ground)
  3. EN (Enable pin)
  4. BYP (Bypass capacitor)
  5. NC (No connection)
  6. VOUT (Output voltage)
  7. NC (No connection)
  8. NC (No connection)

Functional Features

  • Low dropout voltage
  • Low quiescent current
  • Thermal shutdown protection
  • Short-circuit and overcurrent protection
  • Enable pin for power saving mode

Advantages and Disadvantages

Advantages: - Wide input voltage range - Small package size - Low dropout voltage - Low quiescent current

Disadvantages: - Limited maximum output current - Requires external bypass capacitor

Working Principles

The TMP431CDGKR is a voltage regulator that maintains a stable output voltage even when the input voltage fluctuates. It achieves this by using a feedback loop to adjust the internal pass transistor, ensuring the output voltage remains within the specified range.

Detailed Application Field Plans

The TMP431CDGKR is suitable for various battery-powered applications, such as portable electronics, handheld instruments, and wireless sensors. Its low dropout voltage and low quiescent current make it ideal for extending battery life in these devices.

Detailed and Complete Alternative Models

  1. LM1117MPX-3.3/NOPB: Similar voltage regulator with higher maximum output current
  2. XC6206P332MR-G: Low dropout voltage regulator with smaller package size
  3. TS2950CT-3.3: Cost-effective alternative with comparable specifications

This completes the English editing encyclopedia entry structure for TMP431CDGKR.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TMP431CDGKR i tekniska lösningar

  1. What is the operating temperature range of TMP431CDGKR?

    • The operating temperature range of TMP431CDGKR is -40°C to 125°C.

  2. What is the supply voltage range for TMP431CDGKR?

    • The supply voltage range for TMP431CDGKR is 2.7V to 5.5V.

  3. Can TMP431CDGKR be used in battery management systems?

    • Yes, TMP431CDGKR can be used in battery management systems for monitoring and protection.

  4. Does TMP431CDGKR have built-in fault detection features?

    • Yes, TMP431CDGKR has built-in fault detection for overvoltage, undervoltage, and overtemperature conditions.

  5. What is the output format of TMP431CDGKR?

    • TMP431CDGKR provides a digital output in I2C format.

  6. Is TMP431CDGKR suitable for automotive applications?

    • Yes, TMP431CDGKR is suitable for automotive applications due to its wide operating temperature range.

  7. Can TMP431CDGKR be used for thermal management in electronic devices?

    • Yes, TMP431CDGKR can be used for thermal management by monitoring temperature and providing feedback for control systems.

  8. What is the accuracy of temperature measurement with TMP431CDGKR?

    • TMP431CDGKR offers high accuracy with ±1°C typical accuracy over the full temperature range.

  9. Does TMP431CDGKR require external calibration?

    • No, TMP431CDGKR does not require external calibration as it is factory calibrated.

  10. Is TMP431CDGKR RoHS compliant?

    • Yes, TMP431CDGKR is RoHS compliant, making it suitable for use in environmentally sensitive applications.